A Student Is Preparing to Perform a Series of Calorimetry

question 158

Multiple Choice

A student is preparing to perform a series of calorimetry experiments. She first wishes to determine the calorimeter constant (C_cal) for her coffee cup calorimeter. She pours a 50.0 mL sample of water at 345 K into the calorimeter containing a 50.0 mL sample of water at 298 K. She carefully records the final temperature of the water as 317 K. What is the value of C_cal for the calorimeter?

• A) 19 J K^-1
• B) 28 J K^-1
• C) 99 J K^-1
• D) 21 J K^-1
• E) 76 J K^-1

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